Portable data hub: small size and lightweight design you can carry everywhere. Ideal for expanding USB access on a laptop while traveling or commuting. 4port USB 3.1 speed hub: 4in1 hub adapter that provides four USB ports for easy peripheral connectivity. Fast data transfer: supports up to 5 Gbps transmission speed, with practical transfer rates up to about 500 MB/s, enabling quick file transfers and responsive device access. USB hub for phone: suitable for use with phones that support USB data transfer, enabling fast data movement between mobile devices and USB peripherals. Data sharing and desk use: a convenient hub for sharing data with friends and family, and as a dock holder hub to help keep essential USB devices organized at your workspace. Use scenarios: On the go with a laptop: connect a keyboard, mouse, flash drive, or external drive to your lightweight hub for full device functionality when traveling. Fast transfers with a phone: transfer files quickly between your phone and other USB devices when connected to the hub. Home or office sharing: use as a compact hub to share data with family or to keep multiple USB devices within easy reach on your desk.